Description
1/3.2″ 3.6mm F2.0 M12 High-MTF Wide Angle Lens
Optimize your high-precision vision systems with this professional-grade 1/3.2″ 3.6mm M12 low-distortion wide-angle lens. Engineered to deliver exceptional imaging performance, this lens boasts a high optical resolution backed by an impressive MTF of 0.5 @ 180lp/mm. Featuring a premium 6G+IR cut (6 All-Glass Elements + Infrared Cut Filter) optical design and a bright F2.0 aperture, it ensures premium contrast and perfect color fidelity. Offering a 96° diagonal field of view combined with a highly optimized Chief Ray Angle (C.R.A. <9.4°) and excellent relative illumination (R.I. >80%), it guarantees uniform edge-to-edge brightness, making it an outstanding choice for industrial machine vision, biometrics, and medical imaging.
Key Product Highlights
- High-Frequency MTF (0.5 @ 180lp/mm): Precision-engineered optics offer exceptional resolving power and edge sharpness, ideal for sensor pixels requiring ultra-fine detail capture.
- 96° Low-Distortion Wide View: Captures a broad perspective (76°H / 55°V) while limiting geometric distortion to -28%, keeping horizons linear and natural for image processing algorithms.
- Ultra-Low Chief Ray Angle (C.R.A. <9.4°): Specifically tailored to prevent pixel crosstalk and color shading on modern high-sensitivity CMOS sensors, enhancing sensor efficiency.
- Superior Relative Illumination (R.I. >80%): Guarantees uniform image corner brightness, effectively eliminating dark corners or vignetting across the entire frame.
- Rugged 6G All-Glass Structure: Formulated with 6 premium glass layers to deliver outstanding thermal stability, keeping your imaging system free from heat-induced focus drift.
Technical Specifications
| Parameter | Specification |
|---|---|
| Image Format | 1/3.2″ |
| Focal Length | 3.6 mm |
| Field of View (F.O.V.) | 96°(D) / 76°(H) / 55°(V) |
| Distortion | -29% |
| MTF (Modulation Transfer Function) | 0.5 @ 180 lp/mm |
| Aperture (F/#) | F2.0 |
| Mount | M12 x 0.5 |
| Iris Type | Fixed |
| Focus Type | Manual (Adjustable during assembly) |
| Zoom Type | Fixed |
| Back Focal Length (B.F.L.) | 7.25 mm |
| Chief Ray Angle (C.R.A.) | < 9.4° |
| Relative Illumination (R.I.) | > 80% |
| Minimum Object Distance (M.O.D.) | 0.3 m |
| Optical Structure | 6G + IR cut (6 All-Glass Elements + Infrared Cut Filter) |
This product is certified by RoHS and ISO9001 quality management system, supports third-party testing, and complies with EU and domestic security equipment access standards, ensuring reliable quality and full compliance.
Applications & Device Compatibility
Core Application Scenarios
This High-MTF M12 wide angle lens is a premier optical component for electronic hardware requiring high spatial accuracy, high peripheral brightness, and crisp digital imagery. It acts as an excellent component for AI facial recognition gates, smart biometric terminals, and high-accuracy ID scanners where linear mapping and high-resolution details are strictly demanded. Thanks to its ultra-low C.R.A. <9.4° and 6G all-glass build, it provides excellent performance in compact medical inspection devices, skin diagnostic scanners, and lightweight industrial machine vision cameras operating under continuous illumination. Additionally, it easily integrates into professional smart home IP cameras and enterprise video intercom pods.
Compatible Device List
- Sensors: Natively optimized for high-density 1/3.2″ CMOS sensor arrays (e.g., Sony, OmniVision series) and backward compatible with smaller 1/4″ vision formats.
- Biometric & AI Hardware: Fully compatible with identity authentication systems, airport biometric check-in kiosks, and high-end facial scanning locks.
- Medical & Industrial Devices: Fits micro endoscopic cameras, laboratory analysis equipment, and close-range PCB inspection camera setups.
- Embedded Computing Kits: Perfectly compatible with standard M12 board holders on Raspberry Pi camera nodes, Jetson Nano visual tools, and high-definition industrial USB/MIPI camera modules.
“Designed for high-precision machine vision and biometric recognition applications.”
Frequently Asked Questions
- Q: Why is the MTF 0.5 @ 180lp/mm specification important for my system?
- A: MTF (Modulation Transfer Function) indicates how well a lens reproduces detail. An MTF value of 0.5 at 180 line pairs per millimeter means the lens retains exceptional contrast and razor-sharp edge definition, allowing high-resolution sensors to capture intricate details cleanly.
- Q: What are the main benefits of an ultra-low C.R.A. (<9.4°)?
- A: Chief Ray Angle (C.R.A.) matching is critical for digital image sensors. A low C.R.A. of under 9.4° ensures that the light rays strike the sensor pixel micro-lenses almost perpendicularly. This drastically reduces color shading, peripheral noise, and pixel crosstalk at the edges of the image.
- Q: How does High Relative Illumination (R.I. >80%) improve video quality?
- A: Relative illumination defines edge brightness. With an R.I. greater than 80%, light is distributed uniformly across the sensor, ensuring your video feed stays bright from the center out to the very corners, eliminating dark corners or heavy vignetting.
- Q: Does this lens include a filter for daytime color precision?
- A: Yes, it features an integrated IR cut filter (IRCF) that accurately filters out ambient infrared wavelengths during daytime shooting, ensuring vibrant, true-to-life images with zero pink tinting.
- Q: How do we calibrate the focus on this fixed focal M12 lens?
- A: Focus is set manually during your camera module’s assembly phase. The operator screws the lens into the M12 thread block while analyzing a live reference monitor. Once crisp focus at your target distance is established, it is permanently locked using a locking ring or a drop of optical adhesive.
